var jiaArr=["选择省","安徽","辽宁","黑龙江","江苏","浙江","河北"];
			var exampleArr = [
			       ["选择市"],
			       ["合肥","宣城","马鞍山","宿州","六安","安庆"],
			       ["沈阳","锦州","葫芦岛","朝阳","盘锦"],
			       ["哈尔滨","佳木斯","编","不","下","去"],
			       ["南京","徐州","也","编","不","下"],
			        ["杭州","苏州","也","编","不","下"],
			         ["石家庄","真","的","编","不","下"],
			];
			window.onload = function(){
				
				var selJia =document.getElementById("jia");
				//申请空间
				selJia.length = jiaArr.length;
				//添加元素
				for (var i = 0; i < jiaArr.length; i++){
					selJia.options[i].text=jiaArr[i];
					
				}
			}
			function ChangeExampleSelect(index)
			{
				var selExa = document.getElementById("example");
				
				selExa.length = exampleArr[index].length;
				
				for (var i = 0;i<exampleArr[index].length;i++) 
				{
				    selExa.options[i].text=exampleArr[index][i];
				    selExa.options[i].value=exampleArr[index][i];
					
					
				}
			}

			$(".over").click(function(){
				if($("#name").val()==""){
					
				 	$("#nametip").css("display","block");
				 	return false;
				}else{
					if($("#phone_number").val()==""){
						$("#phone_numbertip").css("display","block");
					 	return false;
					}else{
					    if($("#adress").val()==""){
						     $("#adresstip").css("display","block");
					 	     return false;
					    }
					}
				}
		});
			$("#name").focus(function(){
			   	$("#nametip").css("display","none");
		    });
		    $("#phone_number").focus(function(){
			   	 $("#phone_numbertip").css("display","none");
		    });
		    $("#adress").focus(function(){
			   	 $("#adresstip").css("display","none");
		    });